Stringed instrument plectrum



FIG. 1—is a top plan view of a stringed instrument plectrum showing my new design, the undisclosed bottom view being a mirror image thereof;

FIG. 2—is a side elevational view thereof, the undisclosed opposite side being mirror image; and,

FIG. 3—is a top end view of FIG. 1. 

The ornamental design for a stringed instrument plectrum, as show and described. 